Pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione

吡唑并[1,5-a]嘧啶-5,7(4H,6H)-二酮

Also known as: 7-Hydroxypyrazolo[1,5-a]pyrimidin-5(4H)-one, 5-Hydroxy-4H-pyrazolo[1,5-a]pyrimidin-7-one, 7-Hydroxy-4H-pyrazolo[1,5-a]pyrimidin-5-one, Pyrazolo[1,5-a]pyrimidine-5,7-diol, Pyrazolo[1,5-a]pyrimidin-5(4H)-one, 7-hydroxy-

Pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione (CAS 57489-70-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3O2 and a molecular weight of 151.12300 g/mol. It is also known as 7-Hydroxypyrazolo[1,5-a]pyrimidin-5(4H)-one, 5-Hydroxy-4H-pyrazolo[1,5-a]pyrimidin-7-one and 7-Hydroxy-4H-pyrazolo[1,5-a]pyrimidin-5-one. Key properties include a boiling point of 290.61ºC at 760 mmHg, a density of 1.741 g/cm3 and a flash point of 129.556ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57489-70-0

Jingsj CID

J-1437882-3

Molecular Formula

C₆H₅N₃O₂

Chinese Name

吡唑并[1,5-a]嘧啶-5,7(4H,6H)-二酮

Molecular Weight

151.12300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026